Home / 21,060.47-29,062.68-11,628.83

Finding the Fourth Proportional to 21,060.47, 29,062.68 and 11,628.83

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Solution

The fourth proportional to 21,060.47, 29,062.68 and 11,628.83 is: 16,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.47 : 29,062.68 = 11,628.83 : x
  2. Step 2: Convert to fraction form
    21,060.47/29,062.68 = 11,628.83/x
  3. Step 3: Cross multiply
    21,060.47x = 29,062.68 × 11,628.83
  4. Step 4: Simplify right side
    21,060.47x = 337,964,921.48
  5. Step 5: Solve for x
    x = 337,964,921.48/21,060.47
  6. Step 6: Final answer
    x = 16,047.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.